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Regulatory Documents

  1. Law of the River
    1. The Colorado River Compact of 1922
    2. The Boulder Canyon Project Act of 1928
    3. The California Seven Party Agreement of 1931
    4. The Mexican Water Treaty of 1944
    5. The Upper Colorado River Basin Compact of 1948
    6. The Colorado River Storage Project Act of 1956
    7. The Arizona v. California U.S. Supreme Court Decision of 1964
      1. Supplemental Decree 1979
      2. Consolidated Decree 2006
    8. The Colorado River Basin Project Act of 1968
    9. Criteria for Coordinated Long-Range Operations of Colorado River Reservoirs Pursuant to The Colorado River Basin Project Act of September 20, 1968 (P.L. 90-537)
      1. Long-Range Operating Criteria Amended March 21, 2005
    10. The Colorado River Basin Salinity Control Act of 1974
    11. The 2007 Interim Guidelines
      1. 7.D Review - Draft Report, Review of the Colorado River Interim Guidelines for Lower Basin Shortages and Coordinated Operations for Lake Powell and Lake Mead
      2. 7.D Review - Draft Report, Appendix A - Operational Documentation for Lake Powell and Lake Mead Operations Under the Colorado River 2007 Interim Guidelines Years 2008 to 2019
  2. United States - Mexico Agreements
    1. The Mexican Water Treaty of 1944
    2. Minute 242 of the U.S.-Mexico International Boundary and Water Commission of 1973
    3. The Colorado River Basin Salinity Control Act of 1974
    4. Minute 319 of the U.S.-Mexico International Boundary and Water Commission of 2012
    5. Minute 323 of the U.S.-Mexico International Boundary and Water Commission of 2017
  3. Upper Colorado River Endangered Fish Recovery Program
    1. Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin, September 1987
    2. Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin – Final Environmental Assessment, November 1987
    3. Public Law 106-392, Upper Colorado and San Juan River Basins Endangered Fish Recovery Program, October 2000
    4. Extension of the Cooperative Agreement for Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin, August 2009
    5. Larval Trigger Study Plan, March 2012
    6. Recovery Implementation Program Recovery Action Plan (RIPRAP), May 2019
  4. Colorado River Basin Drought Contingency Plans
    1. Colorado River Drought Contingency Plan Authorization Act
    2. Agreement Concerning Colorado River Drought Contingency Management and Operations
    3. Attachment A1 - Agreement for Drought Response Operations at the Initial Units of the Colorado River Storage Project Act
    4. Attachment A2 - Agreement Regarding Storage at Colorado River Storage Project Act Reservoirs under an Upper Basin Demand Management Program
    5. Attachment B - Lower Basin Drought Contingency Plan Agreement
      1. Exhibit 1 to the Lower Basin Drought Contingency Plan Agreement - Lower Basin Drought Contingency Operations